package cn.javastudy.spring._01_依赖注入.dao;

/**
 * 用户 DAO
 *
 * @author sumou
 * @date 2025/02/18
 */
public class UserDAO {

    private UserDAO() {
        System.out.println("UserDAO无参构造");
    }

    public void insert() {
        System.out.println("正在保存用户数据...");
    }

}
